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Interazioni tra farmaci

Apalutamide + Desogestrel-ethinyl estradiol

Gravità: Maggiore

Apalutamide and Desogestrel-ethinyl estradiol: major interaction.

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Sintesi

Apalutamide is a strong CYP3A4 inducer and can substantially lower exposure to ethinyl estradiol and progestins. This may lead to loss of contraceptive efficacy. Apalutamide is used in men, so the clinical relevance is limited to special situations.

Cosa significa questa interazione in parole semplici

Apalutamide and Desogestrel-ethinyl estradiol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Apalutamide belongs to Endocrine; Desogestrel-ethinyl estradiol belongs to Endocrine.

Livello di evidenza: Moderate

Perché avviene

Induction of CYP3A4 (and other enzymes) accelerates metabolism of the contraceptive hormones.

Cosa fare

Avoid reliance on hormonal contraception; use an alternative effective method, with additional barrier protection during treatment.

Cosa chiedere al farmacista

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Domande frequenti

Can I take Apalutamide with Desogestrel-ethinyl estradiol?

MediHelp rates the interaction as major. Apalutamide and Desogestrel-ethinyl estradiol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Apalutamide is a strong CYP3A4 inducer and can substantially lower exposure to ethinyl estradiol and progestins. This may lead to loss of contraceptive efficacy. Apalutamide is used in men, so the clinical relevance is limited to special situations.

How serious is the interaction between Apalutamide and Desogestrel-ethinyl estradiol?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid reliance on hormonal contraception; use an alternative effective method, with additional barrier protection during treatment.

What other medicines interact with Desogestrel-ethinyl estradiol?

MediHelp also lists interactions of Desogestrel-ethinyl estradiol with, for example, Fezolinetant, Aminocaproic acid, Amobarbital. The full list is on the Desogestrel-ethinyl estradiol page.

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